msem-instigator

Target creature you control gets +3/+3 until end of turn. Then if that creature has power 10 or greater, each other creature you control gets +3/+3 until end of turn.

Choose one—
• You gain life equal to the number of artifacts you control.
• You gain life equal to the number of enchantments you control.

Puzzlebox (Begin the game with this and another card you own from outside the game in the command zone, locked. That card is face down until you unlock this.)
{6}: Unlock Ancient Maze. If the revealed card is green, put it into your hand. Otherwise, put it on top of your library.

{T}: Add {C}.
{3}, Discard Ancient Ossuary: Search your library for a land card, reveal it, put it into your hand, then shuffle.

Sacrifice a creature. When you do, draw two cards. (Then exile this card. You may cast the creature later from exile.)

Equipped creature has “Whenever this creature attacks or blocks, choose a creature card in your graveyard. This creature gets +X/+Y until end of turn, where X is that card's power and Y is its toughness.”
Equip {2}

Draw two cards. Then discard a card unless you control an embattled creature. (A creature is embattled if it has a counter on it or has a permanent you control attached to it.)

When Ancient Tablet enters, scry 2.
{2}, Sacrifice Ancient Tablet: You may shuffle any number of target cards from your graveyard into your library. Draw a card.

You can't cast this spell unless you revealed a card named Ancient Tome from anywhere this game.
{T}: Draw a card.
Cycling {2} ({2}, Discard this card: Draw a card.)

Codex — Earthcraft; Enchantress's Presence; Dream Halls; Energy Field; Eldrazi Conscription. (As this enters, conjure its contents into a shuffled face-up additional library.)
You can't draw from this codex's library.
If a permanent you control would explore, you may put a card from this codex's library into your hand instead.

Target creature gains indestructible until end of turn. Untap it.
Draw a card.

At the beginning of your upkeep, judge target creature you control. (Honor it by putting a +1/+1 counter on it or condemn it by sacrificing it to draw a card.)
Whenever you sacrifice a creature, each opponent loses 1 life.

You may play Anemone Cluster from your graveyard as long as seven or more cards are in your graveyard.
Anemone Cluster enters tapped.
{T}: Add {G} or {U}.
Cycling {1}{G}{U} ({1}{G}{U}, Discard this card: Draw a card.)

Equipped creature gets +1/+1.
As long as equipped creature is multicolored, it gets an additional +1/+1.
Equip {1}

Enchant creature
When Angel's Favor enters, draw a card.
Enchanted creature gets +0/+2 and has flying.

Angelfire deals X damage to up to one target.
If only {R} was spent to cast this spell and X is 5 or more, Angelfire deals X damage to each opponent and each creature and planeswalker your opponents control instead.

As Angelic Barracks enters, you may pay 3 life. If you don't, it enters tapped.
{T}: Add {U}, {R}, or {W}.

Enchant creature
Enchanted creature gets +4/+4, has flying and first strike, and is an Angel in addition to its other types.
When enchanted creature dies, return Angelic Destiny to its owner's hand.

{T}: Add {C}.
{T}: Add {W}, {B}, or {G}. You can't spend this mana to cast a monocolored spell.

{T}: Add {C}.
{T}: Add {R}, {W}, or {B}. You can't spend this mana to cast a monocolored spell.

{T}: Add {C}.
{T}: Add {B}, {G}, or {U}. You can't spend this mana to cast a monocolored spell.

{T}: Add {C}.
{T}: Add {G}, {U}, or {R}. You can't spend this mana to cast a monocolored spell.

{T}: Add {C}.
{T}: Add {U}, {R}, or {W}. You can't spend this mana to cast a monocolored spell.

Exile target nonland permanent. You lose 3 life.

The owner of target creature or planeswalker shuffles it into their library, then they may create two 1/1 blue Bird creature tokens with flying. If they don't, they reveal cards from the top of their library until they reveal a nonland permanent card, then they put that card onto the battlefield and shuffle the rest into their library.